03babyj 03babyj

04-02-2019
Mathematics

contestada

the sum of two numbers is 12 and their difference is 18 what are the two numbers

Respuesta :

pokemonsnowgurl pokemonsnowgurl

04-02-2019

Answer:

Step-by-step explanation:

x+y=12

x-y=18

Now eliminate the y by adding the two equations together to get

2x=30

x=15

then solve for y.

15+y=12

15-y=18

y= -3

Answer Link

Otras preguntas

HURRY ILL GIVE YOU BRAINLY ;DD

4. Do you believe that you will be able to determine what errors exist in the information that you gather? What problems do you expect to encounter in finding e

What is sars-cov-2 nucleic acid type

Help me with these question and please explainnn

develop a theme of leadership from the poem the leader and the led

If x-2y=10 and y is three times the value of x, What is the value of x-y? a) -8 b) -4 c) 0 d) 2 e)4

Importance of feedingLiving Things

The process of incorporation changed the U.S. government in the 20th century by: A. creating a clearer separation between federal and state powers B. applying m

Write your answer as a whole number or a mixed number in simplest form. Include the correct unit in your answer

What is the value of 3x squared when x = 2?